Progress against the field
From Heerenveen 2025 to Rotterdam 2026, the field gained 0:40 on Sjoerd Rietberg.
Over the same races everyone got 6:15 quicker, so 5:35 faster on the clock looks better than it was.
How this is worked out ⓘ
A finish time moves for two reasons: the athlete, and the race — its course, its floor, its day. For each pair of races in a row in one category, we take everyone who raced both and use the middle of how much they moved (the median) as "the race". Whatever is left is the athlete. Doubles are compared only when the same two people raced both, and told as the pair's; relays are left out. A pair with fewer than 15 athletes in common is not shown.
Every race
3 races · 3 events
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Rotterdam15 Apr 2026Individual Open · Men1:14:37 PB105/570Beat 82%
↑ 84 days after Amsterdam 2026 0:00 better than the field Why ↓Close ↑
2:08 faster on the clock, and the race was 2:08 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →2:08 faster This athlete2:08 faster -
Amsterdam21 Jan 2026Individual Open · Men1:16:45447/1620Beat 72%
↑ 257 days after Heerenveen 2025 0:40 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:27 faster on the clock looks better than it was: the race was 4:07 faster for everyone, which leaves this 0:40 behind the field.
The fieldCompare these two →4:07 faster This athlete3:27 faster -
Heerenveen9 May 2025Individual Open · Men1:20:12421/1217Beat 65%